Communications of the ACM
An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
From ACM News
New Algorithm Can Dramatically Streamline Solutions to the 'max Flow' Problem
Finding the most efficient way to transport items across a network like the U.S. highway system or the Internet is a problem that has taxed mathematicians and computer...
From ACM TechNews
Graphene Can Host Exotic New Quantum Electronic States at Its Edges
Researchers have uncovered unexpected features of graphene that appear under extreme conditions, which could allow the material to be used for exotic applications...
From ACM TechNews
New System Allows For High-Accuracy, Through-Wall, 3D Motion Tracking
WiTrack is a new a three-dimensional (3D) motion-tracking technology that uses radio signals to track a person through walls and other obstacles.
From ACM News
New System Allows For High-Accuracy, Through-Wall, 3D Motion Tracking
Imagine playing a video game like Call of Duty or Battlefield and having the ability to lead your virtual army unit while moving freely throughout your house.
From ACM News
3-D Images, With Only One Photon Per Pixel
Lidar rangefinders, which are common tools in surveying and in autonomous-vehicle control, among other applications, gauge depth by emitting short bursts of laser...
From ACM News
'wise Chisels': Art, Craftsmanship, and Power Tools
It's often easy to tell at a glance the difference between a mass-produced object and one that has been handcrafted: The handmade item is likely to have distinctive...
From ACM News
How to Program Unreliable Chips
As transistors get smaller, they also become less reliable.
From ACM News
Big Plans For Small Spacecraft
It's hard to miss the rocket engine in Paulo Lozano's MIT office.
From ACM News
Making Martian Clouds on Earth
At first glance, Mars' clouds might easily be mistaken for those on Earth: Images of the Martian sky, taken by NASA's Opportunity rover, depict gauzy, high-altitude...
From ACM News
New Kind of Microscope Uses Neutrons
Researchers at MIT, working with partners at NASA, have developed a new concept for a microscope that would use neutrons—subatomic particles with no electrical...
From ACM TechNews
Graphene Could Yield Cheaper Optical Chips
A new application for graphene in photodetectors could convert optical signals to electrical signals in integrated optoelectronic computer chips.
From ACM TechNews
Research Brings nbreakable Phones One Step Closer
A new method for transferring versatile electronics onto a flexible surface could contribute to the development of flexible displays, solar cells, and energy harvesters...
From ACM News
Artificial-Intelligence Research Revives Its Old Ambitions
The birth of artificial-intelligence research as an autonomous discipline is generally thought to have been the monthlong Dartmouth Summer Research Project on Artificial...
From ACM News
Terramechanics Research Aims to Keep Mars Rovers Rolling
In May 2009, the Mars rover Spirit cracked through a crusty layer of Martian topsoil, sinking into softer underlying sand.
From ACM News
Research Update: Genome Editing Becomes More Accurate
Earlier this year, MIT researchers developed a way to easily and efficiently edit the genomes of living cells. Now, the researchers have discovered key factors...
From ACM TechNews
Researchers Build an All-Optical Transistor
Researchers have created an optical switch that’s controlled by a single photon.
From ACM TechNews
Protecting Data in the Cloud
A new type of secure hardware component can disguise a server's memory-access patterns.
From ACM News
New System ses Low-Power Wi-Fi Signal to Track Moving Humans—even Behind Walls
The comic-book hero Superman uses his X-ray vision to spot bad guys lurking behind walls and other objects.
From ACM TechNews
Cheap, Color, Holographic Video
A new way to create holograms could significantly lower the cost of color holographic-video displays and boost conventional 2D display resolution.
From ACM News